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Mod | | | Forums66 Topics128,039 Posts1,055,473 Members48,424 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Supposedly, some later 261s crank shafts came drilled for a harmonic balancer bolt (replacement engines), but most (if not all) were not drilled. This bolt/washer set is readily available at most parts stores and it is the bolt-size for which most people/shops drill/tap the crank shaft. Tim | | |
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